Environmental activist Erin Brockovich is now looking into a mysterious illness affecting teenage girls in upstate New York. Brockovich reportedly decided to take on the case -- -- families had contacted her office last several girls near Rochester they'll develop symptoms similar to tourette's syndrome it. It's not clear what is -- problem but authorities have ruled out environmental factors. Brockovich gained fame after Julia Roberts starred in the movie about her battle to -- -- toxic chemical cover up. In California.

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